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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 542 | array_pop( $wp_current_filter ); |
| 543 | } |
| 544 | return; |
| 545 | } |
| 546 | |
| 547 | if ( ! isset( $wp_filter['all'] ) ) { |
| 548 | $wp_current_filter[] = $tag; |
| 549 | } |
| 550 | |
| 551 | $wp_filter[ $tag ]->do_action( $args ); |
| 552 | |
| 553 | array_pop( $wp_current_filter ); |
| 554 | } |
| 555 | |
| 556 | /** |
| 557 | * Check if any action has been registered for a hook. |
| 558 | * |
| 559 | * @since 2.5.0 |
| 560 | * |